Quick safe solution for OST transfers to Outlook by using Open OST File Extension. OST File Extension Outlook also converts OST files with following features. OST to PST Extension software created with more advanced features-:*Software provides step by step guidance.*Convert OST files and all mailbox items.*Recover corrupt OST file email with all the attachment, contacts, tasks, notes, calendar, journal, emails, draft etc.*Support Microsoft Exchange 5.0, 5.5, 2000, and 2003 etc. *Support Windows version such as 98, 95, 2000, 2010, 20003, 2007, XP, ME, NT, Vista, and Win7. To convert unlimited OST File Extension Outlook, you need to purchase full licensed version of OST File Extension software at just $99. If any problem of this software technical support available 24*7 hours online.